Combined backrest and headrest



FIG. 1 is a perspective view taken from the front lower side of a combined backrest and headrest in an inclined position showing our design;

FIG. 2 is an end view of the combined backrest and headrest taken from the left end of FIG. 1;

FIG. 3 is a top plan view of the combined backrest and headrest of FIG. 1;

FIG. 4 is a side elevational view of the combined backrest and headrest of the right side of FIG. 3 with the left side being a mirror image thereof;

FIG. 5 is a rear view of the combined backrest and headrest of FIG. 4 and,

FIG. 6 is a front view of the combined backrest and headrest of FIG. 4. 

The ornamental design for a combined backrest and headrest, as shown and described. 